1. Have a sip/Take a sip 抿一口
Can I have a sip of your coffee? 我能喝一口你的咖啡吗？
Sure. 当然。

Take s sip and see if it is too hot. 抿一小口看烫不烫。

2. Wash it down 用饮料把食物送下去
When I eat fast food, I like to wash it down with a huge Coca. 吃快餐的时候，我喜欢就着大杯可乐大口吃。

3. Chug 一口气喝完
After a long run, I can chug an entire bottle of water. 长跑之后，我能一口气喝下整瓶水。